package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCarMapper {
    /**
     *查询购物车
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 增加菜品或者套餐的数量
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void addNumberById(ShoppingCart shoppingCart);

    /**
     *向购物车中添加菜品或者套餐数据
     */
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time)" +
            "values (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime})")
    void insertShoppingCar(ShoppingCart shoppingCart);

    /**
     *清空购物车
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void cleanByUserId(Long userId);

    /**
     * 批量插入购物车数据
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);

}
